iScreen External Control Fluid Positive - will yield expected positives on each panel.

Our external controls check for the validation of the test performance and expected results. The clinical controls are designed to work with most of our urine drug tests. In both 5mL and 20Ml options, the liquid solution vials are convenient for any office.

Controls are available in both positive and negative formats and are used to demonstrate the results of urine based drug tests. The positive control will yield expected positive on each panel.